Conveyer chain



June 24, 1930. A. 1.. SHAW 4 I CONVEYER CHAIN Filed y 192s Jwe/z 07:

414% 1 MM. -Q FM WMA gar/4 4 Patented June 193i) I was VEVYOIRII 00 0 1 010 3 9, ILLINOIS, A CORPORATION on ILLmoIs I The inventi0n-re1ates'fgenerallyl to con} 've'yer chains for use in 1 connection WHY/h coal 7 particularly the iiiv'entidn relates. to that" I typeset. chain which 1 Comprises a series '01? .f0ur-sided v0 re'ctangn'1ar1y* shaped r'nem V bers, i pairs E of. links: between: the, contiguous 01 opposed ends of the members 1 and pivot c'onveyers F and similar Inecfhanisms: More Q 'ally' connected:thereto by .niean's of tra ns .Vei'r'selyextending 'pi'n'tles" orv 'pivotfpins and 'dnag h-gs for engaging the material to be conveyed of for supporting drag" bats.

In chains of this type,f"it has heretofore been proposed to make the elemjnts @fOI': earrying the drag lugs" infforni' of supplemental links which" are ac aptecl to be pdsit ioned eitheragainst thebuter fa ces ofthe links at neside of theic hai n'or so'th-at'they :a'refadjacen-t and in s-paced relation With respect to the reetangulafly shaped members anc l exten'db'etween and t he 'cntiguous ends of the links, ,gThes etsupl e nentalz links are provided" with a ertu resiat: thefends thereof whereby they 'are'inOnn-ted upon} and removably connected to the outwardly TR O-- jecting and unhe aelectends; OflthePi-Dtles or pivot pins. A -1ln 1 pra t links are generally, pp'li ed; independently o fathe chainsand it: is,-5 the1'ef0re; incumbent :30 we. a e, v a tfr'ne cha'nisins to attach {these links; in their of 1 the 5 'tjon'v'eyer p'liopger anctdesii'eclfpositicns; fllfiis precede biiokenin sevenalpiace i Of the regular p ant; pin 1 The primary obj est 0:

Lire necessitates th retrieval of the ieg-ular shaped; members and the fpairs 05- 1mm and and -0ngen pins an'dtincenveniencesfthe manwfaetnrer;{ fbecauSQ. the hain ingthe ram parts shown in;Figu i'e' l1;" and, D

br dr" the supplemental the v supplemental- V vld igife Bfis af'sideelevationail Vie tion is toprevide a cojnvyer chainfin-"Whic'h some. of the {regular links w vfhlch pivotally 'An aasrmm, sfi w, 16F} ci eneqiinnmbls,nssiqivfoamb jGHICAG O A TOM TIC-com eenne'et the rectangnla lyshaped inmbers I e'inbndy'intgral drag lugs. A'characteiisti'- Weight. I

Andthe'nobject of the inventibn is to price 'vide aficenv'eye'r Chain for use in con'nection a with' coalyand-other such c0nveyi'ngmeicha nisnis, in which the drag lujg bearing links are reinforcedand censtructed so as to"- with-- stand in an effective mannerfheayy o rirfiax ivmum"leads. i

{A furthen ObjjCC of the invention-1 isto' pro ide a convejyer "chain Qf-f theTd'rag lug" type, WhiCh- 'iS of "new" and" in -proi ed fc on-ig .struetinnfand which the elements "l are]; readily removable for 'repai r or' r'ep'lacement purposes; j

l 'Aysti'l jl-ffu'rther ohjeet of thei-ni entien Si the" provision of a eonveyr haii iikgf the v character under coiisideratibniWhiehmaYb s m'anufa' wed at a comparat'ive1y 16W cost;

Other: objects and advantages: 'Wi11 'be;iap'

and an advantage of forming the 1 in} this manner 'is that @11 of the pivot pins are; 0i.standard 01* nni fbirn lengthfand ome: q nently the-lug ca'irying links may be inter changed readily iw'iththjo's'e links that H0 net 7 ca ry lugsjwith ou t. breaking the chain, j In additi-On the Ichaiir has'flthe maximum a. amount of flexibility and en-ibodiesno excess ing-detafl ed description.

"Figure 2ifsfa perspeetiiiieVieWf; W20

gure 41s a f perspective'iqf One 0 th F as ,c

Which isza'daptedfor use-in a Coal conveyeri or like apparatus and embcdies'drag lugs for engagement with'the materiali'tolbe con-I- -j v'eyed or for supporting drag i-bars intheir I Operative position; across theimaterial Sup-1 a a series 19f four-sided or rectangnlarly shaped vinenibersj', each of whlch'con'sist's 'tweenfand serve to 7' hold the; sideplates in is'pacedrelation-as; shcwn'in Figure l. 'The' sider'plates and "end "'el'einents'rare. formed;

fintegrally with each other softhat the mam- 4: will be of a iin itary character.

.tr ansyersely extending cylindricalihole 8 is rm-medi i each ref thefend' eleinents. '7 and links ;10 and ll extiend between and pivot}, fally conn'ect the opposed or adjqining end's.

parallel and coexte'nsl-vejnth each other and K are held iin fspaced relatidn upon the pins 1 9 "i as described. hereafter; ThelinkslOFWhieh Vent lateral displacement cfthe links and ho dj h il t er'f eaies e c nt ei eu f e i ,oflthe" side platesfii 1 Zlhej links 11 Whichare pesitienedg at the o thr 'side of th chain, 7 'have' cireular holes,or1apertures13punched tively shgrt; distance, beyond the side plates held atheilinks in their foperative, p051 1 lateral qdisplaeeinent by the; heads TandQlegs '7 of cotter pins :14 which ,extend-.-thrcughi t "transverse j openings; 15 :fqrnied fin t the ex trernev Ecol l ter: yendsr of cthe pin-shanks 9.

repair"or replacement",purposes; LAllbf the p ,sei'that they tle 'engagepnecntaet 1W1 higfih r e er a ,20 conv y d 1 elGi-igatedi hiCh e xterid sfat right g es ancl-.'is-i11te ra %p' rting-panl r tray of'the conveyer. This' chain 'is 'of the endless; var ety and compr ses a of; a pair of parallel and coextensive side" 1 7 plates 5 andi 6 and a'vpair bOffcylindrically' shaped end elements" 7 "which extendybeg "thejadjcining or' connected ends ofthe plates; i and fi and this'holelis adapted togreeeiv'e printle or headgbearing pin 9; Apa1ryof' effeach pair of members 45.1 These link's are in the ends, thereon; fllghefunheaded ends of "thef'pins 9 project; outwardly: a cc'mp ara- V 7 H V u A V V 7 p Q restrictednto the detailsiset forth, since these'fi j 6 andi'extend' through these "apertures i301"Dia yibB-nHlOClifiQdiWilBhlIIJiQhQ -SCOPGi of the 4 tien.f linksfljllifja je held against j the p p the spiritandsccpejhfthefinvention .lo'nter fa-cesioif said 'sideiplates 6 and against a v Aconveyer:chain,comprising in ccnibina tion, a plu'rahty of one piece and four-sided cha1n-members havlng'transversel pivct pins 1fliesecotter pins maylbe Withdraiivn'readily I 7 t .r iniforl'ni length extendin through (the WheiiI- it is, desired .to remove the links-111E01 fqr ned with the, z

andeproject anconsiderable distance above elated. The ends iofthis plate are me ded} drag lugilfii is fiat and extends athriglit angles to the linkllr The rear face ISV'PIO-I,

vided "with a tiiiangula nly shaped ree'niv fcreing Web, 117 This 'Web iextendstheifull :7

Width pi: the link 11 and is integrally fer ned with said link and-the lu g'1'6f A character-5 istic;an d :an advantage" of r'eeniorcing the drag lug lbya Web of this type is that the v ment is distributed over a substantially lug isi'capable of withstanding great load strains, due to the. fact that the reenforce- V V are {punched in [the rounded ends (lithe? I draglug so that a dragflbar'niay be securedv t0 the. lug by in e ans 0f bbltsor -sinii'lar] at tachingdevices; A feature and; advantage of forming the drug lugintegral withfione 5' V "cf-the regular -gpiveti links 1 '1;'is that the chain embodies h finaximiiin:"aniount "of V flexibility; and there is noi'excess .o r addedfv T ln'etali "Furthermcrd it standardizes parts of the: chain inasmuch: as: the pins?) are all of cunifo rinlength orjsize. Ell n the a r event that it should be necessary t0 replace cr'rearrange' any of thelinksbearing} drag lugs it is only necessarytoyreinovefthe cotei v ,ter pins lei. This ylattereperation mayi be 1" effected easily and does not result in} the chain being 'brokenig V. i Y

--QjThe chain disclosed-herein isjextreniely s mple in construct or-i and operates to carry amaximum load iii-proportion;to. they links ithout. breaking 'the'chain;

f mcunt cr weightbfi the metal usedtherein; Furthermere;provis on is made for readily i H replacing 01" reincvingthe' drag-lug bearing a appended" claim, without{departingj froinf a Letters Patent, is:

end elein'entsitherecfl pairs Bi parallel links extendingfbfetween and positioned outwardly", cf said} neinbersg fthe" linksfat one Side" Of the chain ffhavi ig openi'ngs' qthronghlwhich I the pins extendg andi-being held 'in lplace by F I heads on said pins the at f the," other side cf thefchain litting'again'st and centact- I p 7 '{the'lchainen einbers and having Qpen ngs; through: which lt heipins extnd, I "$91116" "of the 1 lash lllfilllllbllfifil links being. pro 7 yrded with integral otitwafdlyj projecting drag lugs jjpnjthef outer races ith'er'ecf; said? lags prcjectingjflabbv and; below the side 5 1 l lav'lng thus describeditheysinventioinwhat I, claim as"IlGWz-iLIKliClGSlIG 130 s'ecu' e} .edgs 6f. the links that are associated therewith and having fiat faces extending transversely and at substantially right' n of June, 1928.

angles to said a'sociate d links whereby drag bars may be operativelyconnected to' the chain and cotter pins extending through thev unheaded ends of said pins', operable to ho ld said'second mentioned links in plac e.

Signed .at Ghicagq, I11in is,l this Z Qdday RTHURL. SHAW. n v 

